GRADATION OF CHARACTERS. 
153 
Cl Up, 
XIV. 
Ob' 
ad J eet > I have myself but little doubt.” 50 If this be 
dJM we cau perceive that the males which were 
- in t,le lnost elegant and novel manner would 
f 0l . ® Sa-ined an advantage, not in the ordinary struggle 
Cq^ 16 ’ hut in rivalry with other males, and would 
itihg <iUe ntly have left a larger number of offspring to 
d their newly- acquired beauty. 
50 ‘Introduction to the Trochilidse/ 18G1, p. lid. 
